CN111819005B - 具有锁定结构的分配泵及使用其的方法 - Google Patents

具有锁定结构的分配泵及使用其的方法 Download PDF

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CN111819005B
CN111819005B CN201880090600.8A CN201880090600A CN111819005B CN 111819005 B CN111819005 B CN 111819005B CN 201880090600 A CN201880090600 A CN 201880090600A CN 111819005 B CN111819005 B CN 111819005B
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dispensing head
pump
dispensing
pump base
guide tube
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CN111819005A (zh
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E·H·德曼
J·詹妮特
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Silgan Dispensing Systems Corp
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    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
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    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
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    • B05B11/106—Means for locking a pump or its actuation means in a fixed position in a retracted position, e.g. in an end-of-dispensing-stroke position
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
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    • B05B11/1047—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container the pump being preassembled as an independent unit before being mounted on the container
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Abstract

披露了一种分配泵(100)，所述分配泵包括弹簧组件(108)、以及防止所述分配头(104)在装运、储存、以及购买前搬运期间被展开和/或致动的锁定装置(110)。所述分配泵(100)包括泵基座(102)和具有活塞芯杆(106)的分配头(104)。所述弹簧组件(108)包括带狭槽的管状弹簧元件(120)、以及被接收在所述带狭槽的管状弹簧元件(120)的相反端的第一荷载锥和第二荷载锥(122，124)。各锁定装置可以包括设置在所述分配头(104)与所述泵基座(102)之间的相互作用的可旋转凸耳(150)、将所述活塞(106)和所述分配头(104)保持在固定运输位置的卡扣珠缘(252)、以及布置在所述分配头(104)与所述泵基座(102)之间的防止主动分配头(104)被致动的可回收利用的锁定环(356)。

Description

具有锁定结构的分配泵及使用其的方法
发明背景
(1)技术领域：本发明总体上涉及用于液体、粘性可流动材料、泡沫、凝胶等的分配泵，并且更具体地涉及带有可回收利用的弹簧和锁定部件的分配泵。
(2)背景技术：用于各种液体、乳液、泡沫、凝胶等的分配泵在本领域中是已知的。这些分配泵通常包括坐于容器颈部的本体部分、相对于本体部分滑动的共同作用的喷嘴部分、以及将共同作用的喷嘴部分偏置至其正常静止位置的弹簧结构。为了分配容器中的材料，使用者手动地压下喷嘴，这迫使材料从本体部分的内部向外通过喷嘴。当喷嘴被释放时，弹簧迫使喷嘴部分回到其正常静止位置。除了典型地由金属形成的弹簧之外，泵系统部件的大部分典型地由聚合物材料形成。这些塑料泵部件是可易于回收利用的。然而，已经发现，由于需要将金属弹簧与其他塑料部件分开，泵组件中金属弹簧的存在阻碍或减缓了回收利用的过程。
另外，这些类型的泵有时在运输时处于锁定状态，以防止分配头在运输、储存、以及购买前搬运期间被致动。在一些实施例中，通过各种手段将分配头向内压下并且锁定在位。这减少了运输空间并防止致动，但一些部件可能不可回收利用。一些实施例在分配头处于激活位置运输，但是包括护罩或其他防窃启盖，以防止分配头在购买之前被致动。这些系统增加了额外的部件和成本。因此，在这个行业中对完全可回收利用的分配泵系统(包括泵、弹簧和锁定系统)有持续的需要。
发明内容
用于液体、粘性材料、泡沫、凝胶等的分配泵的示例性实施例包括聚合物压缩弹簧组件、以及聚合物或纸锁定结构，从而允许泵被更容易地回收利用。
该分配泵的示例性实施例总体上包括泵基座、具有相关联的活塞芯杆的分配头、压缩弹簧、以及联接在泵头与分配基座之间的可释放的锁定结构。
泵基座可以包括蓄压器杯形件，该蓄压器杯形件在底壁内具有汲取管端口，并且进一步在所述汲取管端口内具有球阀。泵基座可以进一步包括封闭环，该封闭环将蓄压器杯形件固定至容器颈部。
该分配头包括一体的活塞芯杆，该活塞芯杆在泵基座内被引导、并且具有延伸进入该蓄压器的终端。
活塞密封件围绕该活塞芯杆被接收，并且与用于泵送的该蓄压器的内壁形成密封。
该弹簧组件可以包括由拉伸聚合物材料形成的带狭槽的管状弹簧元件、以及被接收在该弹簧元件的相反的下端和上端处的下荷载锥和上荷载锥。
在一些实施例中，该下荷载锥由该蓄压器的底壁形成，并且该上荷载锥承载在该活塞芯杆的终端，在该终端该上荷载锥与该分配头可相对于该第一荷载锥移动。
[12]在一些实施例中，可释放的锁定件可以包括联接在活塞芯杆与弹簧组件之间的引导管和滑动塞。该引导管固定在该上荷载锥内，同时该芯杆塞被接收在该活塞芯杆的终端上。该塞被可滑动地接收在该引导管内，并且在当该分配头缩回时的锁定位置与当该分配头延伸时的展开位置之间相对于该引导管可滑动地移动。
在一些实施例中，该活塞芯杆和附接的活塞芯杆塞通过该塞的下部与引导管的下部之间的摩擦而保持在锁定(缩回)位置，并且通过该塞的上端与引导管的上端处的相互配合的凸片而锁定在该展开位置。
在使用时，该分配泵在该分配头的该缩回位置运输。在购买时，终端使用者将抓住该分配头，并且向上拉动该头部，其中该塞在该引导管内向上滑动，并且在该上部延伸位置通过这些相互配合的凸片的接合而被锁定在该延伸或展开位置。
在一些实施例中，该活塞塞包括在其下周缘向外延伸的卡扣珠缘，并且该卡扣珠缘与该引导管的下周缘接合以将该活塞芯杆塞和活塞芯杆保持在该锁定位置。该卡扣珠缘增加了将该分配头向上拉动至该展开位置所需要的解锁力，即，迫使该卡扣珠缘越过该引导管的下周缘所需要的附加的力。
在一些实施例中，该活塞塞包括密封轮缘，该密封轮缘在该引导管内提供稍稍较高水平的摩擦以用于更好地保持在该缩回位置，并且还可以与接合在该封闭环与该分配头之间的易碎撕带配对。一旦移除该撕带，该分配头可以更容易地向上拉动至该展开或延伸位置。
在一些实施例中，该封闭环可以包括增大的肩部，以有助于防止该分配头无意的展开。在运输和购买前搬运情况下，该增大的肩部引导使用者抓住该封闭环而不是该分配头。
在一些实施例中，该分配泵可以进一步包括固定至该分配头的芯撑环，在这些实施例中该芯撑环和该封闭环包括相配合的防旋转特征，这些防旋转特征防止该分配头在该分配头展开之前相对于该封闭环旋转。
在一些实施例中，该锁定结构可以包括被控制在该封闭环与该分配头之间的带狭槽的管状带。该带狭槽的管状带将该分配头可释放地保持在该延伸位置，从而它不能被无意地致动。该带狭槽的带可以包括纸、纸板或可容易回收利用的其他纸基材料。该带狭槽的带还可以包括还易于回收利用的塑料材料。
在一些实施例中，该锁定结构可以包括被接收在该封闭环与该分配头之间的易碎撕带。
在其他示例性实施例中，该锁定结构可以包括被接收在该封闭环内的芯撑、以及围绕该分配头的活塞芯杆被接收的锁定凸耳。该芯撑可以包括轴向延伸的多个引导狭槽，该多个引导狭槽引导该分配头在该延伸位置与缩回位置之间的轴向移动。在使用时，该分配头与这些锁定凸耳在锁定位置与解锁位置之间可相对于该芯撑旋转。这些引导凸耳和该芯撑包括在该锁定位置接合并且在该解锁位置脱离接合的配合表面。
附图说明
虽然说明书以具体指出并且明确要求保护本发明的具体实施例的权利要求作为结束，但是在结合附图阅读时从本发明的不同实施例的以下描述中可以更容易地理解和领会本发明的不同实施例，在附图中：
图1和图2展示了在运输缩回位置和在展开至延伸使用位置的示例性分配头的立体图；
图3是根据本发明的一些实施例的示例性分配泵的截面视图；
图4是其压缩弹簧的立体图；
图5是其沿图4的线5-5截取的截面视图；
图6是其引导管和活塞塞的立体图；
图7是其沿图6的线7-7截取的截面视图；
图8是延伸至操作分配位置的分配泵的截面视图；
图9和图10是示出了分配头的泵送循环的截面视图；
图11是其分解截面视图；
图12和图13展示了另一个示例性实施例(示出了具有增大的干涉环的封闭环)的立体图；
图14和图15展示了又另一个示例性实施例(示出了具有防旋转特征的封闭环和芯撑)的立体图；
图16是另一个示例性实施例的截面视图，其中，芯杆塞包括用于改进锁定保持的卡扣珠缘；
图16A是从图16中截取的放大视图；
图17是包括撕带的示例性实施例的立体图；
图18是其沿图17的线18-18截取的截面视图；
图18A是从图18中截取的放大视图；
图19是包括带狭槽的管状锁定环的另一示例性实施例的立体图；
图20是其整个组件的分解截面视图；
图21是包括撕拉锁定环的又另一示例性实施例的立体图；
图22是其整个组件的分解截面视图；
图23和图24是包括旋转锁定凸耳的示例性实施例的立体图和侧视图；
图25是示出了锁定凸耳的分配头的底部立体图；
图26是示出了锁定狭槽的芯撑的顶部立体图；
图27是其整个组件的分解截面视图；以及
图28是锁定机构部件的放大分解截面视图。
具体实施方式
现在将描述某些示例性实施例，以提供对本文所披露的装置和方法的结构、功能、制造、和用途的原理的全面理解。在附图中展示了这些实施例的一个或多个示例。本领域技术人员将理解的是，本文所具体描述的且在附图中进行说明的这些装置和方法并非限制性示例性实施例，并且本发明的范围仅由权利要求限定。结合一个示例性实施例进行说明或描述的特征可以与其他实施例的特征组合。这种修改和变体旨在被包含在本披露的范围内。进一步，在本披露中，实施例的类似编号部件通常具有相似的特征，并且因此在特定实施例内每个类似编号部件的每个特征不一定被完全详细描述。另外，就被用在所披露的系统、装置、和方法的描述中的线性或圆形维度而言，这种维度不旨在限制可以结合这种系统、装置、和方法一起使用的形状的类型。本领域技术人员将认识到，可以针对任何几何形状容易地确定这种线性和圆形维度的等效物。进一步，就所使用的方向术语如顶部、底部、向上、或向下而言，它们不旨在限制本文所披露的系统、装置、和方法。本领域技术人员将认识到，这些术语仅是相对于正讨论的系统和装置而言的，并不是通用的。
现在参照附图，在图1至图11中总体上用100表示本分配泵的第一示例性实施例。
分配泵100的示例性实施例总体上包括泵基座102、具有相关联的活塞芯杆106的分配头104、压缩弹簧组件108、以及联接在分配头104与泵基座102之间的可释放的锁定结构110。
图1和图2总体上展示了分配头104相对于泵基座102的解锁运动，该运动是向上的拉动动作、而不是常规的旋转。
泵基座102可以包括蓄压器杯形件112，该蓄压器杯形件在底壁内具有汲取管端口114，并且进一步在汲取管端口114内具有球阀116。泵基座102可以进一步包括带螺纹的或卡扣安装的封闭环118，该封闭环将蓄压器杯形件112固定至容器(未示出)的颈部。
分配头104包括一体的活塞芯杆106，该活塞芯杆在泵基座102内被引导、并且具有延伸进入蓄压器112的终端。
弹簧组件108可以包括由拉伸聚合物材料形成的带狭槽的管状弹簧元件120、被接收在弹簧元件120的相反的下端和上端处的下荷载锥122和上荷载锥124。管状弹簧元件和荷载锥的更多细节可以在要求优先申请的美国申请号15861108(尤其是该说明书的图14至图21以及第54段)中找到。
参照本申请的图4和图5，带狭槽的管状弹簧元件120是总体上圆柱形的形状并且具有不均匀的壁厚(如图5中最佳展示的)。弹簧元件120包括单个纵向狭槽，该单个纵向狭槽在管的整个长度上延伸以限定平行的相对的狭槽边缘。当轴向力施加在元件120的第一端和第二端时，狭槽允许该元件径向地扩张。弹簧元件120可以包括沿纵向狭槽的相对的边缘延伸的应力减小肋120A、120B。这些肋可以包括从狭槽边缘径向向外和周向向外延伸的对称的凸形表面。所展示的实施例进一步包括在邻近应力肋120A、120B的狭槽边缘处的较薄的第一壁厚、以及在与狭槽边缘在直径上相反的较厚的第二壁厚(参见图5)。弧形表面随着背离狭槽边缘的渐增的壁厚使应力在整个弹簧元件中更均匀地分布，使弹簧元件的寿命周期延长。仍然参照图5，弹簧还具有从顶部和底部朝向中间的渐变的厚度。在图5的截面以及其他截面中可以看到较厚的中间凸起。在弹簧120的内表面上添加额外的材料使强度增大，而不会增加弹簧在蓄压器内压缩时的最大直径。
在一些实施例中，下荷载锥120由蓄压器112的底壁形成，并且上荷载锥124承载在活塞芯杆106的终端，在该终端该上荷载锥与分配头104相对于下荷载锥122可移动。
在一些实施例中，可释放的锁定机构110可以包括引导管126和滑动芯杆塞128，该引导管和滑动芯杆塞在活塞芯杆106与弹簧组件108之间联接。更具体地，引导管126的下端固定在上荷载锥124内，同时芯杆塞128被卡扣地接收在活塞芯杆106的终端。上荷载锥124可以被模制为杯状部件，该杯状部件具有开放的顶部、中空的内部、以及内部肋，这些内部肋被卡扣地接收在引导管126的下端部上的对应的脊上。
塞128被可滑动地接收在引导管126内，并且在当分配头104缩回时的锁定位置(图1和图3)与当分配头104延伸时的展开位置(图8)之间相对于引导管126可滑动地移动。
活塞密封件130围绕引导管126的中心部分被接收，并且与用于泵送的蓄压器112的内壁形成密封。
参照图6至图8，在一些实施例中，活塞芯杆106和附接的活塞芯杆塞128通过塞128的下部与引导管126的下部之间的摩擦而保持在锁定位置(缩回的运输位置)(图1和图3)，并且通过在活塞芯杆塞的上端与引导管的上端处的相互配合的凸片结构而锁定在展开位置。如图5中最佳可见，芯杆塞128的下端具有肩部132，该肩部具有圆柱形的外表面，该圆柱形的外表面与引导管126的圆柱形内壁摩擦地接合。芯杆塞128的上端具有带有底切锁定轮缘134的较小直径。引导管126的上端包括带有止动肩部138的多个延伸臂136。这些止动肩部138与芯杆塞128的上锁定轮缘134接合，并且用作止动上限。引导管126的上端进一步包括带有倾斜锁定凸片142的多个较短弹簧指140。
在使用时，分配泵100在分配头104缩回位置(图1、图3、图6和图7)运输。在购买时，终端使用者可以抓住分配头104，并且向上拉动头部(图2和图8)，其中，塞128在引导管126内向上滑动，并且在上部延伸位置通过底切锁定轮缘134与弹簧指140的接合而被锁定在延伸或展开位置。倾斜表面142使弹簧指稍微向外偏斜，然后快速返回以接合底切轮缘134。现在这允许芯杆塞128、引导管126、活塞密封件130以及上荷载锥124作为用于泵送的一体的单元进行移动。
参照图6至图8，展示了分配循环，分配头104在图8中处于准备好的(解锁)延伸位置，在图9中处于部分向下压缩的位置，并且分配头104在图10中处于向下完全致动的位置。分配头104和活塞芯杆106的向下压缩使上荷载锥124对应向下压缩、使带狭槽的管状弹簧元件120径向扩张、并且使引导管126中的分配通道144打开。在图10中，分配头104的进一步向下压缩使荷载锥124和活塞密封件130两者移动，从而提供泵送动作。蓄压器112内的材料被迫使进入引导管126的内部，向上进入活塞芯杆106的内部，并且向上进入分配头104。分配头104的随后释放使弹簧元件120自由而径向收缩，并且产生向上的轴向力使分配头104返回其正常静止位置(图8)。
转向图12和图13，封闭环118A的实施例可以包括增大的肩部146，以有助于防止分配头104无意的展开。在运输和购买前搬运情况下，增大的肩部146引导使用者抓住封闭环118A而不是分配头104，以用于搬运该组件。
在如图14和图15所示的一些实施例中，分配泵100可以进一步包括固定至分配头104A的芯撑环148，在这些实施例中，芯撑环148和分配头104A还包括相配合的防旋转特征150，这些防旋转特征防止分配头104A在分配头104A展开之前相对于封闭环118旋转。
如图16和图16A所展示的，在另一个示例性实施例200中，活塞芯杆塞228包括在其下周缘向外延伸的卡扣珠缘252。在运输期间，卡扣珠缘252与引导管226的下周缘接合，以将活塞芯杆塞228和活塞芯杆206保持在锁定位置。卡扣珠缘252增加了将分配头204向上拉动至展开位置所需要的解锁力，即，迫使卡扣珠缘252越过引导管226的下周缘所需要的附加力。
转向图17、图18和图18A，在另一个示例性实施例300中，活塞塞328可以包括密封轮缘354，该密封轮缘在引导管326内提供稍稍较高水平的摩擦，以用于更好地保持在缩回位置。此组件300还可以与接合在封闭环318与分配头304之间的易碎撕带356配对，以防止分配头304的无意展开。一旦移除撕带356，分配头304可以更容易地向上拉动至展开或延伸位置。
图19和图20中展示了另一个示例性实施例400。如前所述，泵组件400总体上包括分配头404、蓄压器杯形件412和封闭环418、带有弹簧元件420的弹簧组件408、以及活塞密封件430。锁定结构410可以包括被控制在封闭环418与分配头404之间的带狭槽的管状带460。分配头404在延伸的准备好泵送位置运输。然而，带狭槽的管状带460将分配头404可释放地保持在延伸位置，从而它不能在运输和购买前搬运期间被无意地致动。就此而言，泵组件400不包括先前描述的引导管和芯杆塞。而是，上荷载锥424包括被直接接收在活塞芯杆406中的延伸部462(在图20中最佳可见)。
带狭槽的带460可以包括纸、纸板、或可容易地被终端消费者回收利用的任何其他合适的纸基或纤维基材料。带狭槽的带460还可以包括可以回收利用的塑料材料。
类似地，图21和图22示出了另一个示例性实施例500。如前所述，泵组件500总体上包括分配头504、蓄压器杯形件512和封闭环518、弹簧组件508(带有弹簧元件520和上荷载锥524)、以及活塞密封件530。
锁定结构510可以包括聚合物撕带570，该聚合物撕带具有易碎的厚度减小区域或允许移除带570的易碎元件。如图21所示，带570被接收在封闭环518与分配头504之间，以防止在购买前致动。
转向图23至图28，展示了另一个示例性分配泵600。泵结构的部件，即：分配头604、蓄压器612、封闭环618、弹簧608(带有弹簧元件620和上荷载锥624)以及活塞密封件630，与先前描述的相似，然而，锁定结构610可以包括被接收在封闭环618内的芯撑680、以及围绕分配头604的活塞芯杆606形成的锁定凸耳682。芯撑680包括多个狭槽686，这些狭槽与这些凸耳682配合、以引导分配头604在延伸位置和致动位置之间的轴向运动。
分配头604在延伸位置运输，在该延伸位置该分配头604被旋转至锁定位置。卡销688被设置在选定的外围位置，以将分配头互锁并且锁定在延伸位置。就此而言，这些凸耳684的底部与这些壁(形成芯撑中的狭槽)的顶部相接合，并且分配头不能被致动。
在使用时，分配头604和这些锁定凸耳684相对于芯撑680从锁定位置旋转至解锁位置，在解锁位置这些凸耳684可以在这些壁之间并且在这些狭槽686内滑动。
虽然本文披露的多种不同的泵实施例采用了所描述的聚合物压缩弹簧元件120，但是应当清楚地理解的是，这些泵实施例中的任何一个可以替代性地由常规的金属螺旋弹簧或其他弹簧构成，并且所披露的锁定结构可以同等地在其他类型的分配泵中采用和使用，包括那些利用金属弹簧的分配泵。
因此可以看出，示例性实施例提供了独特且新颖的分配泵组件，其中所有分立的部件可以更容易地回收利用。
虽然本文示出和描述了体现本发明的不同实施例的某些具体结构，但是对于本领域技术人员而言明显的是，在不脱离基本发明构思的精神和范围的情况下，可以对部件进行各种修改和重新布置，并且除了已经由所附权利要求的范围指明的之外同样不限于本文示出和描述的具体形式。

Claims (12)

1.一种分配泵，包括：
泵基座；
分配头，所述分配头包括活塞芯杆，所述活塞芯杆在所述泵基座内、在延伸位置与缩回位置之间被轴向地引导；
弹簧组件，所述弹簧组件被控制在所述泵基座与所述活塞芯杆之间，从而将所述分配头偏置至所述延伸位置；以及
可释放的锁定件，所述可释放的锁定件联接在所述泵基座与所述分配头之间，
其中，所述可释放的锁定件包括：
引导管，所述引导管联接在所述弹簧组件与所述泵基座之间；以及活塞芯杆塞，所述活塞芯杆塞布置在所述活塞芯杆的终端，所述活塞芯杆塞被可滑动地接收在所述引导管内，并且相对于所述引导管在当所述分配头缩回时的锁定位置与当所述分配头延伸时的展开位置之间可滑动地移动，所述活塞芯杆和活塞芯杆塞通过摩擦保持在所述锁定位置，并且通过相互配合的凸片保持在所述展开位置。
2.如权利要求1所述的分配泵，其中，所述活塞芯杆塞包括位于其下端的密封轮缘。
3.如权利要求1所述的分配泵，其中，所述泵基座包括封闭环，所述可释放的锁定件进一步包括可释放地接合在所述封闭环与所述分配头之间的易碎撕带。
4.如权利要求2所述的分配泵，其中，所述泵基座包括封闭环，所述可释放的锁定件进一步包括可释放地接合在所述封闭环与所述分配头之间的易碎撕带。
5.如权利要求1所述的分配泵，其中，所述活塞芯杆塞包括在其下周缘向外延伸的卡扣珠缘，所述卡扣珠缘与所述引导管的下周缘接合以将所述活塞芯杆塞和活塞芯杆保持在所述锁定位置。
6.如权利要求1所述的分配泵，其中，
所述泵基座包括蓄压器杯形件；并且
所述弹簧组件包括
带狭槽的管状弹簧元件，所述带狭槽的管状弹簧元件由拉伸聚合物材料形成；
第一荷载锥，所述第一荷载锥形成于所述蓄压器杯形件的底部，并且接收所述带狭槽的管状弹簧元件的第一端；以及
第二荷载锥，所述第二荷载锥布置在所述引导管的终端，并且接收所述带狭槽的管状弹簧元件的第二端。
7.如权利要求5所述的分配泵，其中，
所述泵基座包括蓄压器杯形件；并且
所述弹簧组件包括
带狭槽的管状弹簧元件，所述带狭槽的管状弹簧元件由拉伸聚合物材料形成；
第一荷载锥，所述第一荷载锥形成于所述蓄压器杯形件的底部，并且接收所述带狭槽的管状弹簧元件的第一端；以及
第二荷载锥，所述第二荷载锥布置在所述引导管的终端，并且接收所述带狭槽的管状弹簧元件的第二端。
8.一种分配泵，包括：
泵基座；
分配头，所述分配头包括活塞芯杆，所述活塞芯杆在所述泵基座内、在延伸位置与缩回位置之间被轴向地引导；
弹簧组件，所述弹簧组件被控制在所述泵基座与所述活塞芯杆之间，从而将所述分配头偏置至所述延伸位置；以及
可释放的锁定件，所述可释放的锁定件联接在所述泵基座与所述分配头之间，其中，所述弹簧组件包括：
带狭槽的管状弹簧元件，所述带狭槽的管状弹簧元件由拉伸聚合物材料形成；
第一荷载锥，所述第一荷载锥被接收在所述带狭槽的管状弹簧元件的第一端，所述第一荷载锥相对于所述泵基座固定；以及
第二荷载锥，所述第二荷载锥被接收在所述带狭槽的管状弹簧元件的第二端，所述第二荷载锥可相对于所述泵基座移动。
9.一种分配泵，包括：
泵基座，所述泵基座包括蓄压器杯形件和封闭环；
分配头，所述分配头包括活塞芯杆，所述活塞芯杆在所述封闭环内、在延伸位置与缩回位置之间被轴向地引导；
弹簧组件，所述弹簧组件被控制在所述泵基座与所述活塞芯杆之间，从而将所述分配头偏置至所述延伸位置；以及
可旋转的锁定件，所述可旋转的锁定件联接在所述泵基座与所述分配头之间，
其中，所述可旋转的锁定件包括：
布置在所述活塞芯杆上的轴向延伸的多个引导凸耳；
被接收在所述封闭环内的芯撑，所述芯撑包括轴向延伸的多个引导狭槽，所述多个引导狭槽用于引导所述分配头在所述缩回位置与所述延伸位置之间的轴向移动，
所述分配头在锁定位置与解锁位置之间可相对于所述芯撑旋转，
所述引导凸耳和所述芯撑包括在所述锁定位置接合并且在所述解锁位置脱离接合的配合表面。
10.一种分配泵，包括：
泵基座，所述泵基座包括蓄压器，所述蓄压器具有在底壁内的汲取管端口，并且进一步具有在所述汲取管端口内的球阀，所述泵基座进一步包括将所述蓄压器固定至容器颈部的封闭环；
分配头，所述分配头包括活塞芯杆，所述活塞芯杆在所述泵基座内被引导、并且具有延伸到所述蓄压器中的终端；
活塞密封件，所述活塞密封件围绕所述活塞芯杆被接收，并且与所述蓄压器的内壁形成密封；
弹簧组件，所述弹簧组件包括：
带狭槽的管状弹簧元件，所述带狭槽的管状弹簧元件由拉伸聚合物材料形成；以及
第一荷载锥和第二荷载锥，所述第一荷载锥和所述第二荷载锥被接收在所述带狭槽的管状弹簧元件的相反的第一端和第二端，
所述第一荷载锥由所述蓄压器的所述底壁形成，
所述第二荷载锥被接收在所述活塞芯杆的所述终端，并且与所述分配头可相对于所述第一荷载锥移动；以及
可释放的锁定件，所述可释放的锁定件联接在所述泵基座与所述分配头之间。
11.如权利要求10所述的分配泵，其中，所述可释放的锁定件包括：
引导管，所述引导管联接在所述弹簧组件与所述泵基座之间；以及活塞芯杆塞，所述活塞芯杆塞布置在所述活塞芯杆的终端，所述活塞芯杆塞被可滑动地接收在所述引导管内，并且相对于所述引导管在当所述分配头缩回时的锁定位置与当所述分配头延伸时的展开位置之间可滑动地移动，所述活塞芯杆和活塞芯杆塞通过摩擦保持在所述锁定位置，并且通过相互配合的凸片保持在所述展开位置。
12.如权利要求11所述的分配泵，其中，所述活塞芯杆塞包括在其下周缘向外延伸的卡扣珠缘，所述卡扣珠缘与所述引导管的下周缘接合以将所述活塞芯杆塞和活塞芯杆保持在所述锁定位置。
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EP3735323A4 (en) 2021-03-17
US20190054486A1 (en) 2019-02-21
US11541410B2 (en) 2023-01-03
EP3735323A1 (en) 2020-11-11
WO2019136004A1 (en) 2019-07-11
US20210094053A1 (en) 2021-04-01
US10870123B2 (en) 2020-12-22
EP3735323B1 (en) 2023-02-01

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